[WIP] Make package installation in CI fast with uv

[awaelchli]

What does this PR do?

WIP. Just trying it out.
https://astral.sh/blog/uv

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📚 Documentation preview 📚: https://pytorch-lightning--19556.org.readthedocs.build/en/19556/

cc @Borda @carmocca

[github-actions]

⛈️ Required checks status: Has failure 🔴

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Groups summary

🔴 pytorch_lightning: Tests workflow

Check ID	Status
pl-cpu (macOS-11, lightning, 3.8, 1.13, oldest)	failure	❌
pl-cpu (macOS-11, lightning, 3.10, 1.13)	failure	❌
pl-cpu (macOS-11, lightning, 3.10, 2.1)	failure	❌
pl-cpu (macOS-11, lightning, 3.10, 2.2)	failure	❌
pl-cpu (ubuntu-20.04, lightning, 3.8, 1.13, oldest)	failure	❌
pl-cpu (ubuntu-20.04, lightning, 3.10, 1.13)	failure	❌
pl-cpu (ubuntu-20.04, lightning, 3.10, 2.1)	failure	❌
pl-cpu (ubuntu-20.04, lightning, 3.10, 2.2)	failure	❌
pl-cpu (windows-2022, lightning, 3.8, 1.13, oldest)	failure	❌
pl-cpu (windows-2022, lightning, 3.10, 1.13)	failure	❌
pl-cpu (windows-2022, lightning, 3.10, 2.1)	failure	❌
pl-cpu (windows-2022, lightning, 3.10, 2.2)	failure	❌
pl-cpu (macOS-11, pytorch, 3.8, 1.13)	failure	❌
pl-cpu (ubuntu-20.04, pytorch, 3.8, 1.13)	failure	❌
pl-cpu (windows-2022, pytorch, 3.8, 1.13)	failure	❌
pl-cpu (macOS-12, pytorch, 3.11, 2.0)	failure	❌
pl-cpu (macOS-12, pytorch, 3.11, 2.1)	failure	❌
pl-cpu (ubuntu-22.04, pytorch, 3.11, 2.0)	failure	❌
pl-cpu (ubuntu-22.04, pytorch, 3.11, 2.1)	failure	❌
pl-cpu (windows-2022, pytorch, 3.11, 2.0)	failure	❌
pl-cpu (windows-2022, pytorch, 3.11, 2.1)	failure	❌

These checks are required after the changes to .github/workflows/ci-tests-pytorch.yml.

🔴 fabric: Docs

Check ID	Status
docs-make (fabric, doctest)	failure	❌
docs-make (fabric, html)	failure	❌

These checks are required after the changes to .github/workflows/docs-build.yml.

🔴 pytorch_lightning: Docs

Check ID	Status
docs-make (pytorch, doctest)	failure	❌
docs-make (pytorch, html)	failure	❌

These checks are required after the changes to .github/workflows/docs-build.yml, requirements/pytorch/docs.txt.

🔴 lightning_fabric: CPU workflow

Check ID	Status
fabric-cpu (macOS-11, lightning, 3.8, 1.13, oldest)	success	✅
fabric-cpu (macOS-11, lightning, 3.10, 1.13)	success	✅
fabric-cpu (macOS-11, lightning, 3.11, 2.1)	success	✅
fabric-cpu (macOS-11, lightning, 3.11, 2.2)	success	✅
fabric-cpu (ubuntu-20.04, lightning, 3.8, 1.13, oldest)	success	✅
fabric-cpu (ubuntu-20.04, lightning, 3.10, 1.13)	success	✅
fabric-cpu (ubuntu-20.04, lightning, 3.11, 2.1)	success	✅
fabric-cpu (ubuntu-20.04, lightning, 3.11, 2.2)	success	✅
fabric-cpu (windows-2022, lightning, 3.8, 1.13, oldest)	success	✅
fabric-cpu (windows-2022, lightning, 3.10, 1.13)	success	✅
fabric-cpu (windows-2022, lightning, 3.11, 2.1)	success	✅
fabric-cpu (windows-2022, lightning, 3.11, 2.2)	success	✅
fabric-cpu (macOS-11, fabric, 3.8, 1.13)	success	✅
fabric-cpu (ubuntu-20.04, fabric, 3.8, 1.13)	success	✅
fabric-cpu (windows-2022, fabric, 3.8, 1.13)	success	✅
fabric-cpu (macOS-12, fabric, 3.11, 2.0)	success	✅
fabric-cpu (macOS-12, fabric, 3.11, 2.1)	failure	❌
fabric-cpu (ubuntu-22.04, fabric, 3.11, 2.0)	success	✅
fabric-cpu (ubuntu-22.04, fabric, 3.11, 2.1)	success	✅
fabric-cpu (windows-2022, fabric, 3.11, 2.0)	success	✅
fabric-cpu (windows-2022, fabric, 3.11, 2.1)	success	✅

These checks are required after the changes to .github/workflows/ci-tests-fabric.yml.

🔴 lightning_app: Docs

Check ID	Status
docs-make (app, doctest)	failure	❌
docs-make (app, html)	failure	❌

These checks are required after the changes to .github/workflows/docs-build.yml.

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Thank you for your contribution! 💜

Note
This comment is automatically generated and updates for 60 minutes every 180 seconds. If you have any other questions, contact carmocca for help.

[Borda]

Have you tried locally if it is really faster once you have packages cashed?

[carmocca]

I also tried (and failed) here Lightning-AI/litgpt#952